65results about How to "Easy to integrate applications" patented technology

The invention discloses a comprehensive management system for scenic regions. The comprehensive management system comprises an intelligent terminal, at least one data center and at least one positioning terminal; the intelligent terminal comprises a marketing promotion terminal or/and a service terminal or/and an industrial management terminal; the positioning terminal is used for collecting static position data of scenic spots and facilities in scenic regions; the positioning terminal is further used for collecting dynamic position data of touring vehicles, tourists and team tourists; the data center is for obtaining business information data and geographic information data; the data center performs centralized database-establishment and management according to the business information data and the geographic information data; the data center is provided with corresponding an industrial management module, a service module and a marketing promotion module according to the business information data and the geographic information data; the marketing promotion terminal establishes marketing promoting activities with the data center through the marketing promotion module; the industrial management terminal establishes industrial management activities with the data center through the industrial management module; and the service terminal establishes service activities with the data center through the service module.

The invention relates to a light filter, in particular to an integrated narrowband micro light filter. The integrated narrowband micro light filter is provided with a substrate, a dielectric film layer structure and a metal grating, wherein the dielectric film layer structure is arranged on the upper surface of the substrate and provided with at least two dielectric film layers; the refractive indexes of the dielectric film layers are different; the metal grating is arranged on the upper surface of the dielectric film layer structure and is a one-dimensional metal grating or two-dimensional metal grating. By adjusting the period of the grating and the refractive indexes and thickness of the dielectric film layers, the center wavelength and bandwidth of a passing band of the light filter can be adjusted. The integrated narrowband micro light filter is small in size and can be integrated and applied on a micro optical system and a photoelectric device conveniently. The integrated narrowband micro light filter is used for integrating the micro optical system or being integrated on the photoelectric device to achieve the light filtering function. The integrated narrowband micro light filter can be manufactured on a transparent dielectric substrate to serve as a unit element to be used on the micro optical system, and can also be integrated in the photoelectric device to serve as a structural unit so as to filter light reflected by the photoelectric device.

The invention discloses an intelligent alternating current servo drive with high integration density and high power density, and belongs to the field of advanced robot servo control. The intelligent alternating current servo drive comprises power supply, an STM32F4 main control unit, an isolated communication module, an isolated power drive unit, an encoder unit, a safety protection unit and a sensing acquisition unit which are integrated on a circuit board. The isolated communication module is connected with a host computer and the STM32F4 main control unit through an RS485 bus or a CAN bus,and an internal TIMER of the STM32F4 main control unit operates in a PWM mode. After a generated PWM waveform is subjected to level switch, the PWM waveform is output to the isolated power drive unit,and the isolated power drive unit is connected with a motor at the same time. The STM32F4 main control unit is connected with the encoder unit through an SPI bus. An ADC interface of the STM32F4 maincontrol unit is connected to the sensing acquisition unit. An EXTI interface is connected to the safety protection unit. A multi-turn absolute value encoder acquisition circuit is integrated on a motor drive to be installed by being just fit with the motor, and the integrated application on a robot body is facilitated.

The invention provides an equipment service adaptation method used in a household network. Indirect Web servitization of equipment is realized by allocating equipment service agents in a private protocol network in which the resource-limited equipments belong, and thus problems of communication and information sharing among the equipments in the household isomerous private protocol network can be solved. By adopting the service adaptation method, a group of resource-limited equipments in the private protocol network can be abstracted into virtual equipments providing standard Web services for the outside, special operations of the limited equipments in the group can be converted into standard operations based on a Web service technology, and thus a convenient manner is provided for service integration and application development oriented to the household Internet of things.

The invention relates to an atomic spin procession detecting method and an atomic spin precession detecting device based on electro-optic modulation. Alkali metal atoms in a spin-exchange relaxation free state are used for sensing an external magnetic field or angular rate, thereby generating atomic spin Larmor precession. An electro-optic modulator is used for performing electro-optic modulation on detected laser. Through output light strength detection by the electro-optic modulator and demodulation of a phase-locked amplifier, output light strength and frequency doubling signal strength are obtained. Finally a signal acquisition and processing circuit measures an atomic spin precession signal, and furthermore measurement to the external magnetic field or inertia can be realized. According to the atomic spin procession detecting method and the atomic spin procession detecting device, advantages such as simple modulation, small size, high sensitivity, low temperature effect and simple operation condition in the electro-optic modulator are exerted. The atomic spin procession detecting method and the atomic spin procession detecting device have relatively high sensitivity and relatively high stability. The novel atomic spin procession detecting method is based on an atomic spin effect and can be used for industrial integration and practical application of atomic spin sensing devices in future.

The invention provides an electric adjusting power divider with a filter function. The entire circuit structure of the electric adjusting power divider is symmetric, and the power dividing ratio is 1:1. Two pairs of quarter-wave resonators which are coupled with each other form two filter networks, and the characteristic of band-pass filtering is achieved. The matching of three ports of a circuit and the isolating of two output ports of the circuit are achieved by resistors. According to an on-load variable capacitance diode, the electrical length of the resonators and the electrical length of a feeder line are adjusted by changing the on-load voltage of the on-load variable capacitance diode, and the purpose that the center frequency is adjustable is achieved. In addition, three transmission zeros are introduced by source load coupling, so that the electric adjusting power divider has high selectivity and is also good in stopband suppression effect.

The invention relates to a wide-frequency rat-race coupler based on novel composite right-left hand (CRLH) transmission line technology and a small MIMO system based on the rat-race coupler, so as to solve the technical problems that the prior rat-race coupler and the applied system are narrow in working bandwidth and large in size. The MIMO system is provided with a wide-frequency rat-race coupler; the wide-frequency rat-race coupler comprises three CRLH unit groups, that is, a first CRLH unit group, a second CRLH unit group and a third CRLH unit group; each group is formed by two CRLH units in connection to form a head end and a tail end; and each adjacent head end and the tail end of each group are connected to form a signal transmission port. The rat-race coupler of the invention can be widely applied to a Bulter matrix feed network, a microwave power synthesis and decomposition network, a sum-difference device, an isolator, a beam-adjustable antenna, an input/output system, any microstrip antenna array in need of decoupling and a multi-channel communication system.

The invention relates to a spectral broadening device for chaotic laser signals and a method thereof. The spectral broadening device is characterized in that a first chaotic laser signal is output by an optical splitter; a second chaotic laser signal is input into a polarization control device through an optical amplifier, then is input into the optical splitter through a polarization control device and is output. The spectral broadening device is additionally provided with a ring oscillator which is used for carrying out circular amplification and oscillation on injected lights; the polarization control device adjusts the polarization state of the chaotic laser signals; and the bandwidth reaches above 26.5 GHz. The spectral broadening device has simple structure and is convenient to debug and apply.

The invention relates to a preparation method of orientation magnetic films. The method adopts a laser pulse deposition method; and phase structures of the films are controlled through controlling a magnetic field on a substrate, a deposition temperature and a nitrogen pressure to obtain a series of iron nitride films consisting of different phases. The method can prepare the iron nitride films at low temperature, facilitates integrated application of film devices, and adopts a magnetic field inducing method to generate the crystallography orientation in growth of the films so as to conveniently control crystallography easy-magnetized shafts of the films.

The spot size converter based on the arrayed waveguide grating and the waveguide type detector adopts a double-step type waveguide structure comprising a first waveguide and a second waveguide, the first waveguide and the second waveguide are both of reverse conical waveguide structures, and the transition mode of the first waveguide and the second waveguide is parabola type transition; the large end face of the first waveguide is aligned with the large end face of the second waveguide, the large end face of the first waveguide is an incident face of output light of the array waveguide grating, the small end face of the second waveguide is a light emitting face, and light originally limited in a core layer of the first waveguide is coupled into a core layer of the second waveguide, so that a mode field is reduced, and the light emitting efficiency is improved. A mode field in the array waveguide grating is converted into a mode field in the ridge waveguide of the waveguide type detector, and matching of the array waveguide grating and the mode field of the waveguide type detector is achieved. The end face coupling mode is adopted, the light field is coupled into the absorption area from the side face, loss and scattering of the light field in the waveguide propagation process are reduced, the light coupling efficiency is further improved, and integrated application of the photoelectric detector is facilitated.

The invention provides a miniature high-power microwave link parameter conditioning instrument. The miniature high-power microwave link parameter conditioning instrument comprises an electromagnetic shielding case, more than two microwave devices, a temperature collector, a control circuit, a coaxial cable, a radio frequency adapter and a liquid crystal display module, Wherein each microwave device, the coaxial cable and the radio frequency adapter are connected to form a microwave link; the microwave devices, the temperature collector and the liquid crystal display screen are controlled by the control circuit to communicate with each other, and a control command is issued through the control circuit to control the corresponding microwave link to work; The control circuit transmits the working state information of the microwave device and the information collected by the temperature collector in the case to the liquid crystal display module, and the information is displayed by the liquid crystal display screen on the front panel in real time; The microwave device is integrated to the front panel of the electromagnetic shielding case through a coaxial cable, and the front panel is provided with a radio frequency adapter for connecting the microwave device. The system is high in integration level, facilitates the integrated application of a comprehensive automatic test system, and can greatly improve the test efficiency.

The invention provides an electrically controllable monomolecular switch device and a preparation method thereof, and the monomolecular switch device is characterized in that terminal carboxyl (-COOH) dangling bonds formed by each pair of graphene point electrodes and molecules terminated by amino (-NH2) in a free radical type molecular bridge are subjected to amidation reaction for bridging; according to the invention, connection with a free radical type molecular bridge through an amido bond (-CO-NH-) is realized, so that molecular bridging between each pair of graphene point electrodes is realized. Therefore, the magnitude of the current between the source electrode and the drain electrode can be controlled by adjusting the input grid voltage, so that switching control is realized. That is to say, the single-molecule switching device realizes stable electric control and is beneficial to real integrated application of the single-molecule switching device.

The invention discloses a single-mode multimode mode adjusting device and a preparation method thereof, the single-mode multimode mode adjusting device comprises a multimode optical fiber, a single-mode optical fiber and a tapering optical fiber, and two opposite ends of the tapering optical fiber are respectively connected with the multimode optical fiber and the single-mode optical fiber in a low-loss fusion manner. Signal transmission transition of the single-mode optical fiber and the multimode optical fiber is achieved in an optical fiber tapering mode, the diameter of a fiber core in a tapering area of the tapering optical fiber is in smooth gradual transition, mode field distortion does not exist, and transmission loss is effectively reduced; a signal in the single-mode optical fiber is transmitted into the multimode optical fiber through a low-order mode/high-order mode excited by the tapering optical fiber in a low-loss manner; the mode field excited by the single-mode optical fiber is transmitted in the multimode optical fiber and is transmitted to the single-mode optical fiber from the tapering optical fiber in a gradual transition manner, and the loss is within 0.5 dB; the welding loss of the optical fiber can be lower than 0.1 dB at present; and a support is provided for the single-mode optical module of the data center to be directly accessed into the multimode optical fiber for transmission through the single-mode optical fiber.

The invention discloses a compact air filter, comprising a frame body (1), wherein the upper, lower, left and right four side surfaces of the frame body (1) are closed, a filtering layer I (2) and a protecting wire net (4) are mounted on the front side in the frame body (1), and a filtering layer II (3) and a protecting wire net (4) are mounted on the back side in the frame body (1). An air inlet plate (6) is mounted on the left side surface or right side surface of the frame body (1) through a special-shaped insert part (5), and air inlets (7) which can be closed are formed in the middle part of the air inlet plate (6). The compact air filter adopts a structure of one frame with two elements, reduces the mounting interface, increases the filtration area, reduces resistance, improves the filtering quality, prolongs service life, and facilitates integrated application of the device; and simultaneously, by change of the air inlet interface and staged arrangement of the filtering elements to realize two-stage filtration, one structure with two functions is realized, the external dimensions of the air filter are reduced, and the service life of the air filter is prolonged.